image: Illustration showing how materials and process technologies enable the fabrication of efficient and durable flexible perovskite solar cells that can withstand varying humidity throughout the year Credit: Korea Institute of Materials Science (KIMS) The Energy & Environment Materials Research Division at the Korea Institute of Materials Science (KIMS), led by Dr. Dong-chan Lim and Dr. So-yeon Kim, has succeeded in creating a highly durable and flexible perovskite solar cell material.